at the cost of
Les gens deviennent célèbres souvent au prix de leur vie privée.
People often become famous at the cost of their privacy.
Il l'a sauvé au prix de sa propre vie.
He saved him at the cost of his own life.
Il voulait réussir, même au prix de sa santé.
He wanted to succeed, even at the cost of his health.
Il a réussi en affaires au prix de sa santé.
He succeeded in business at the cost of his health.
At the cost of so many lives.
— Le Seigneur des anneaux : Les Deux Tours (2002)
Le soldat a sauvé son ami au prix de sa vie.
The soldier saved his friend at the cost of his life.
Si au prix de ma vie, je peux vous protéger, je le ferai.
If I can protect you at the cost of my life, I will.
— Le Seigneur des anneaux : La Communauté de l'anneau (2001)
Tu auras cette chance au prix de ta sueur.
You will have this chance at the cost of your sweat.
— Dangal (2016)